McDonough County, Illinois weather alerts
No watches, warnings or advisories are in force for McDonough County.
Checked Mon, Sep 21, 2026, 5:31 AM CDT. Times are Central Daylight Time.
Warnings on the map
Every watch, warning and advisory the National Weather Service has in force over McDonough County, Illinois. Open it for the live map, where it pans and zooms.























Open the live map with warnings and watches
Map layer from NOAA National Weather Service. Boundaries from the Iowa Environmental Mesonet.
Alerts in force
Nothing is in force for McDonough County right now. Its warnings come from the National Weather Service and appear here within a minute of being issued; every one of the past year is below.
The past year in McDonough County
In the past year the National Weather Service issued 111 alerts for McDonough County, including 19 severe thunderstorm warnings, 7 flood warnings, 3 extreme heat warnings and 3 flash flood warnings.
| Product | Issued | Most recent |
|---|---|---|
| Severe Thunderstorm Warning | 19 | Aug 15, 2026 |
| Flood Warning | 7 | Aug 15, 2026 |
| Extreme Heat Warning | 3 | Sep 2, 2026 |
| Flash Flood Warning | 3 | Aug 15, 2026 |
| Tornado Warning | 3 | Jun 11, 2026 |
| Freeze Warning | 2 | Apr 20, 2026 |
| Red Flag Warning | 2 | Feb 27, 2026 |
| Extreme Cold Warning | 1 | Jan 23, 2026 |
| Winter Storm Warning | 1 | Nov 29, 2025 |
| Tornado Watch | 10 | Jun 17, 2026 |
| Flood Watch | 9 | Aug 16, 2026 |
| Severe Thunderstorm Watch | 5 | Aug 13, 2026 |
| Extreme Heat Watch | 2 | Jul 26, 2026 |
| Extreme Cold Watch | 1 | Jan 23, 2026 |
| Fire Weather Watch | 1 | Feb 27, 2026 |
| Winter Storm Watch | 1 | Nov 29, 2025 |
| Dense Fog Advisory | 14 | Sep 11, 2026 |
| Wind Advisory | 9 | Apr 2, 2026 |
| Winter Weather Advisory | 7 | Mar 16, 2026 |
| Heat Advisory | 6 | Aug 31, 2026 |
| Cold Weather Advisory | 4 | Jan 26, 2026 |
| Frost Advisory | 1 | Oct 23, 2025 |
Warnings issued
- Extreme Heat Warning
- Flood Warning
- Flash Flood Warning
- Severe Thunderstorm Warning
- Severe Thunderstorm Warning
- Extreme Heat Warning
- Severe Thunderstorm Warning
- Extreme Heat Warning
- Flood Warning
- Flood Warning
- Severe Thunderstorm Warning
- Severe Thunderstorm Warning
- Flash Flood Warning
- Severe Thunderstorm Warning
- Severe Thunderstorm Warning
- Tornado Warning
- Severe Thunderstorm Warning
- Flash Flood Warning
- Tornado Warning
- Severe Thunderstorm Warning
- Flood Warning
- Severe Thunderstorm Warning
- Severe Thunderstorm Warning
- Severe Thunderstorm Warning
- Severe Thunderstorm Warning
- Flood Warning
- Freeze Warning
- Flood Warning
- Tornado Warning
- Severe Thunderstorm Warning
- Severe Thunderstorm Warning
- Severe Thunderstorm Warning
- Severe Thunderstorm Warning
- Flood Warning
- Severe Thunderstorm Warning
- Red Flag Warning
- Red Flag Warning
- Extreme Cold Warning
- Severe Thunderstorm Warning
- Winter Storm Warning
- Freeze Warning
Every alert, most recent first
- Dense Fog Advisory
- Extreme Heat Warning
- Heat Advisory
- Flood Watch
- Flood Warning
- Flash Flood Warning
- Severe Thunderstorm Warning
- Severe Thunderstorm Watch
- Flood Watch
- Dense Fog Advisory
- Heat Advisory
- Severe Thunderstorm Warning
- Severe Thunderstorm Watch
- Heat Advisory
- Heat Advisory
- Flood Watch
- Extreme Heat Watch
- Extreme Heat Warning
- Severe Thunderstorm Warning
- Severe Thunderstorm Watch
- Heat Advisory
- Extreme Heat Warning
- Extreme Heat Watch
- Flood Watch
- Flood Warning
- Flood Watch
- Flood Warning
- Severe Thunderstorm Warning
- Severe Thunderstorm Warning
- Tornado Watch
- Flood Watch
- Flash Flood Warning
- Severe Thunderstorm Warning
- Severe Thunderstorm Warning
- Tornado Watch
- Tornado Warning
- Severe Thunderstorm Warning
- Flash Flood Warning
- Tornado Warning
- Tornado Watch
The 40 most recent of 111.
From the Iowa Environmental Mesonet’s archive of NWS watches, warnings and advisories (VTEC), by the county’s own code and the forecast zones inside it. Each date links to the event at the IEM.
Nearby
The counties around McDonough County, with what is in force in each.
What this means
- Warning
- The hazard is happening or about to. Act now: a tornado warning means take shelter, a flash flood warning means move to higher ground.
- Watch
- Conditions favor the hazard. Nothing is happening yet; have a plan and be ready to act if a warning follows.
- Advisory
- A hazard that is less serious than a warning but can still cause trouble, such as dense fog, heat or light ice.
- Statement
- Information about weather that does not yet meet a warning: a strong storm, a hydrologic update, or a special weather statement.
Severity (extreme, severe, moderate, minor) is the rating the issuing office gives each product. More on the difference: tornado watch vs. tornado warning. Alerts come from the National Weather Service; follow its instructions and your local officials.
Sources
Alerts from the National Weather Service's public feed, read afresh every minute, and matched to counties and zones by their UGC codes. Warnings from outside the United States come from each country's own meteorological service. Follow the issuing office's instructions and your local officials.