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Dawson, IL Weather Forecast for 5-Days

Updated: Mon May 18th 2026 10:30 AM CDT

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Dawson, IL Weather – 5-18 – Heavy Rain
81° / 65°
Heavy Rain
Periods of rain are likely in Dawson, with a high of 81°F and a low of 65°F. The chance of rain is 88% with an estimated 1.52in. Winds will be strong at speeds peaking at 24mph and gusts of 35.3mph at 3 PM. The humidity will be on the higher side, averaging about 77%, the maximum being 96% at 11 AM and 65% being its lowest at 6 PM. Barometric pressure is its highest of 29.93inHg at 2 PM, a lowest point of 29.85inHg at 7 PM with an avg 29.89inHg.
Dawson, IL Weather – 5-19 – Moderate Rain
81° / 57°

Weather Tomorrow

Moderate Rain
Dawson may see rain showers, with daytime highs of 81°F and overnight lows near 57°F. The chance of rain is 88% with an estimated 0.45in. Wind will be moderate, blowing around 19mph on average and gusts of 31.5mph at 12 AM. High humidity with average of 86% is anticipated, the maximum being 93% at 6 AM and 70% being its lowest at 1 PM. Barometric pressure is its highest of 30.12inHg at 11 PM, a lowest point of 29.89inHg at 12 AM with an avg 29.97inHg.
Dawson, IL Weather – 5-20 – Partly Cloudy
67° / 52°
Partly Cloudy
In Dawson, it will be cloudy with highs near 67°F and lows around 52°F. Wind will be moderate, blowing around 15mph on average and gusts of 22mph at 9 PM. The humidity will be on the higher side, averaging about 70%, the maximum being 92% at 12 AM and 52% being its lowest at 3 PM. Barometric pressure is its highest of 30.26inHg at 9 AM, a lowest point of 30.15inHg at 12 AM with an avg 30.2inHg.
Dawson, IL Weather – 5-21 – Overcast
63° / 50°
Overcast
Dawson is set for cloud-filled skies with temperatures peaking at 63°F and dipping to 50°F. Wind will be moderate, blowing around 13mph on average and gusts of 17.1mph at 9 PM. The humidity will be on the higher side, averaging about 69%, the maximum being 80% at 8 AM and 60% being its lowest at 12 AM. Barometric pressure is its highest of 30.23inHg at 12 AM, a lowest point of 30.09inHg at 11 PM with an avg 30.17inHg.
Dawson, IL Weather – 5-22 – Moderate Rain
57° / 54°
Moderate Rain
It will rain at times in Dawson, with a high of 57°F and a low of 54°F. The chance of rain is 83% with an estimated 0.71in. Wind will be moderate, blowing around 11mph on average and gusts of 16.1mph at 12 AM. High humidity with average of 92% is anticipated, the maximum being 98% at 11 PM and 79% being its lowest at 12 AM. Barometric pressure is its highest of 30.07inHg at 12 AM, a lowest point of 29.93inHg at 5 PM with an avg 29.99inHg.
Dawson, IL Weather – 5-23 – Scattered Showers
75° / 58°
Scattered Showers
Scattered showers are in the forecast for Dawson, with a high of 75°F and a low of 58°F. The chance of rain is 85% with an estimated 0.01in. Wind will be moderate, blowing around 12mph on average and gusts of 19.5mph at 10 PM. High humidity with average of 89% is anticipated, the maximum being 99% at 1 AM and 73% being its lowest at 1 PM. Barometric pressure is its highest of 30.02inHg at 10 PM, a lowest point of 29.94inHg at 2 AM with an avg 29.98inHg.

Currently

Moderate Or Heavy Rain With Thunder 65°F
29.94 inHg.
Barometer
93%
Humidity
SSW 28.8 mph
Wind
Moderate Or Heavy Rain With Thunder

5 Day Forecast Nearby

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